The major fimbrial subunit protein of Edwardsiella tarda: Vaccine potential, adjuvant effect, and involvement in host infection
Edwardsiella tarda is a Gram-negative bacterium that is reckoned one of the most severe fish pathogens. In this study, we analyzed the biological properties of the E. tarda major fimbrial subunit protein, FimA. We found that mutation of fimA resulted in defective biofilm growth, attenuated infectivi...
Published in: | Fish & Shellfish Immunology |
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ftchinacasciocas:oai:ir.qdio.ac.cn:337002/16651 2023-05-15T18:15:47+02:00 The major fimbrial subunit protein of Edwardsiella tarda: Vaccine potential, adjuvant effect, and involvement in host infection Wang, Chong Hu, Yong-hua Chi, Heng Sun, Li Sun, L 2013-09-01 http://ir.qdio.ac.cn/handle/337002/16651 https://doi.org/10.1016/j.fsi.2013.06.021 英语 eng FISH & SHELLFISH IMMUNOLOGY Wang, Chong; Hu, Yong-hua; Chi, Heng; Sun, Li.The major fimbrial subunit protein of Edwardsiella tarda: Vaccine potential, adjuvant effect, and involvement in host infection,FISH & SHELLFISH IMMUNOLOGY,2013,35(3):858-865 http://ir.qdio.ac.cn/handle/337002/16651 doi:10.1016/j.fsi.2013.06.021 6 Edwardsiella Tarda Fimbrial Virulence Vaccine Adjuvant Fisheries Immunology Marine & Freshwater Biology Veterinary Sciences Science & Technology Life Sciences & Biomedicine OUTER-MEMBRANE PROTEIN PROTECTIVE IMMUNOGEN BIOFILM FORMATION ESCHERICHIA-COLI PSEUDOMONAS-AERUGINOSA SCOPHTHALMUS-MAXIMUS VIBRIO-ANGUILLARUM TYPE-1 FIMBRIAE URINARY-TRACT IDENTIFICATION Article 期刊论文 2013 ftchinacasciocas https://doi.org/10.1016/j.fsi.2013.06.021 2022-06-27T05:35:44Z Edwardsiella tarda is a Gram-negative bacterium that is reckoned one of the most severe fish pathogens. In this study, we analyzed the biological properties of the E. tarda major fimbrial subunit protein, FimA. We found that mutation of fimA resulted in defective biofilm growth, attenuated infectivity against host cells, and impaired ability to disseminate into and colonize host tissues following experimental infection. When used as a subunit vaccine, recombinant FimA (rFimA) elicited a high level of protection in turbot (Scophthalmus maximus) against lethal E. tarda challenge. Immunological analysis showed that rFimA vaccination induced production of specific serum antibodies that bound to live E. tarda via interaction with the FimA on bacterial cells, and that antibody-E. tarda interaction blocked bacterial infection. Furthermore, passive immunization of turbot with anti-rFimA serum before E. tarda infection reduced bacterial loads in fish tissues to significant extents. To examine the adjuvant potential of FimA, turbot were vaccinated with rVhhP2, a protective Vibrio harveyi antigen, in the presence or absence of rFimA. Subsequent analysis showed that the presence of rFimA significantly augmented the protectivity of rVhhP2. ELISA and quantitative real time RT-PCR showed that rFimA significantly increased rVhhP2-specific serum antibody production and enhanced the expression of immune relevant genes. Taken together, these results indicate that FimA is a virulence-associated protein that possesses vaccine as well as adjuvant potentials, and that the immunoprotectivity of FimA is most likely due to its ability to induce specific immune response that inhibits E. tarda infection. (C) 2013 Elsevier Ltd. All rights reserved. Edwardsiella tarda is a Gram-negative bacterium that is reckoned one of the most severe fish pathogens. In this study, we analyzed the biological properties of the E. tarda major fimbrial subunit protein, FimA. We found that mutation of fimA resulted in defective biofilm growth, attenuated ... Article in Journal/Newspaper Scophthalmus maximus Turbot Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR Fish & Shellfish Immunology 35 3 858 865 |
institution |
Open Polar |
collection |
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR |
op_collection_id |
ftchinacasciocas |
language |
English |
topic |
Edwardsiella Tarda Fimbrial Virulence Vaccine Adjuvant Fisheries Immunology Marine & Freshwater Biology Veterinary Sciences Science & Technology Life Sciences & Biomedicine OUTER-MEMBRANE PROTEIN PROTECTIVE IMMUNOGEN BIOFILM FORMATION ESCHERICHIA-COLI PSEUDOMONAS-AERUGINOSA SCOPHTHALMUS-MAXIMUS VIBRIO-ANGUILLARUM TYPE-1 FIMBRIAE URINARY-TRACT IDENTIFICATION |
spellingShingle |
Edwardsiella Tarda Fimbrial Virulence Vaccine Adjuvant Fisheries Immunology Marine & Freshwater Biology Veterinary Sciences Science & Technology Life Sciences & Biomedicine OUTER-MEMBRANE PROTEIN PROTECTIVE IMMUNOGEN BIOFILM FORMATION ESCHERICHIA-COLI PSEUDOMONAS-AERUGINOSA SCOPHTHALMUS-MAXIMUS VIBRIO-ANGUILLARUM TYPE-1 FIMBRIAE URINARY-TRACT IDENTIFICATION Wang, Chong Hu, Yong-hua Chi, Heng Sun, Li Sun, L The major fimbrial subunit protein of Edwardsiella tarda: Vaccine potential, adjuvant effect, and involvement in host infection |
topic_facet |
Edwardsiella Tarda Fimbrial Virulence Vaccine Adjuvant Fisheries Immunology Marine & Freshwater Biology Veterinary Sciences Science & Technology Life Sciences & Biomedicine OUTER-MEMBRANE PROTEIN PROTECTIVE IMMUNOGEN BIOFILM FORMATION ESCHERICHIA-COLI PSEUDOMONAS-AERUGINOSA SCOPHTHALMUS-MAXIMUS VIBRIO-ANGUILLARUM TYPE-1 FIMBRIAE URINARY-TRACT IDENTIFICATION |
description |
Edwardsiella tarda is a Gram-negative bacterium that is reckoned one of the most severe fish pathogens. In this study, we analyzed the biological properties of the E. tarda major fimbrial subunit protein, FimA. We found that mutation of fimA resulted in defective biofilm growth, attenuated infectivity against host cells, and impaired ability to disseminate into and colonize host tissues following experimental infection. When used as a subunit vaccine, recombinant FimA (rFimA) elicited a high level of protection in turbot (Scophthalmus maximus) against lethal E. tarda challenge. Immunological analysis showed that rFimA vaccination induced production of specific serum antibodies that bound to live E. tarda via interaction with the FimA on bacterial cells, and that antibody-E. tarda interaction blocked bacterial infection. Furthermore, passive immunization of turbot with anti-rFimA serum before E. tarda infection reduced bacterial loads in fish tissues to significant extents. To examine the adjuvant potential of FimA, turbot were vaccinated with rVhhP2, a protective Vibrio harveyi antigen, in the presence or absence of rFimA. Subsequent analysis showed that the presence of rFimA significantly augmented the protectivity of rVhhP2. ELISA and quantitative real time RT-PCR showed that rFimA significantly increased rVhhP2-specific serum antibody production and enhanced the expression of immune relevant genes. Taken together, these results indicate that FimA is a virulence-associated protein that possesses vaccine as well as adjuvant potentials, and that the immunoprotectivity of FimA is most likely due to its ability to induce specific immune response that inhibits E. tarda infection. (C) 2013 Elsevier Ltd. All rights reserved. Edwardsiella tarda is a Gram-negative bacterium that is reckoned one of the most severe fish pathogens. In this study, we analyzed the biological properties of the E. tarda major fimbrial subunit protein, FimA. We found that mutation of fimA resulted in defective biofilm growth, attenuated ... |
format |
Article in Journal/Newspaper |
author |
Wang, Chong Hu, Yong-hua Chi, Heng Sun, Li Sun, L |
author_facet |
Wang, Chong Hu, Yong-hua Chi, Heng Sun, Li Sun, L |
author_sort |
Wang, Chong |
title |
The major fimbrial subunit protein of Edwardsiella tarda: Vaccine potential, adjuvant effect, and involvement in host infection |
title_short |
The major fimbrial subunit protein of Edwardsiella tarda: Vaccine potential, adjuvant effect, and involvement in host infection |
title_full |
The major fimbrial subunit protein of Edwardsiella tarda: Vaccine potential, adjuvant effect, and involvement in host infection |
title_fullStr |
The major fimbrial subunit protein of Edwardsiella tarda: Vaccine potential, adjuvant effect, and involvement in host infection |
title_full_unstemmed |
The major fimbrial subunit protein of Edwardsiella tarda: Vaccine potential, adjuvant effect, and involvement in host infection |
title_sort |
major fimbrial subunit protein of edwardsiella tarda: vaccine potential, adjuvant effect, and involvement in host infection |
publishDate |
2013 |
url |
http://ir.qdio.ac.cn/handle/337002/16651 https://doi.org/10.1016/j.fsi.2013.06.021 |
genre |
Scophthalmus maximus Turbot |
genre_facet |
Scophthalmus maximus Turbot |
op_relation |
FISH & SHELLFISH IMMUNOLOGY Wang, Chong; Hu, Yong-hua; Chi, Heng; Sun, Li.The major fimbrial subunit protein of Edwardsiella tarda: Vaccine potential, adjuvant effect, and involvement in host infection,FISH & SHELLFISH IMMUNOLOGY,2013,35(3):858-865 http://ir.qdio.ac.cn/handle/337002/16651 doi:10.1016/j.fsi.2013.06.021 |
op_rights |
6 |
op_doi |
https://doi.org/10.1016/j.fsi.2013.06.021 |
container_title |
Fish & Shellfish Immunology |
container_volume |
35 |
container_issue |
3 |
container_start_page |
858 |
op_container_end_page |
865 |
_version_ |
1766189005080100864 |